What are the ionization techniques for mass spectrometry? Mass spectrometry (MS) plays a vital role in many aspects of our lives, from diagnosing illness and detecting food contaminants to fighting ...

An electron impact (EI) or a chemical ionization (CI) ion source can be used for mass spectrometry.

In ACS’ Analytical Chemistry, researchers demonstrate a pen-like tool that can quickly and non-invasively collect molecules ...

A range of mass spectrometric ionization techniques is available, including electron ionization (EI), electrospray ionization (ESI), atmospheric pressure chemical ionization (APCI), and atmospheric ...

Medium-chain chlorinated paraffins, or MCCPs, have been detected in the air of Asia and Antarctica, but this surprise ...

Extractive electrospray ionization mass spectrometry (EESI-MS) allows the real-time, direct analysis of complex gaseous and liquid samples without any sample pretreatment under ambient conditions ...

Ionization and coupling are two different sub-disciplines in the field of mass spectrometry. Ambient ionization allows direct, high-throughput, surface study of native samples.

Explore how to boost confidence in your chemical ionization mass spectrometry results and see why gas reference materials are essential for reliable data in PTR-MS and SIFT-MS.

Proton transfer reaction mass spectrometry (PTR-MS) and selected ion flow tube mass spectrometry (SIFT-MS) are well-established, field-deployable chemical ionization techniques known for their ...

A mass spectrometer with a direct-analysis-in-real-time ionization device at the Surface and Trace Chemical Analysis lab at the National Institute of Standards and Technology ...

Mass spectrometry (MS) plays a vital role in many aspects of our lives, from diagnosing illness and detecting food contaminants to fighting fraud. In order for a sample to be analyzed by MS, it must ...